爪つめ糞くそ

noun

dirt under the nails; grime under fingernails

Refers to the dirt or grime that accumulates under fingernails. A common, everyday word.

• 爪つめ糞くそがたまっているから、爪つめを切きってきれいにしよう。

  There's dirt under my nails, so I'll trim my nails and clean them.

• 子こ供どもの爪つめ糞くそを取とってあげた。

  I cleaned the dirt from under my child's nails.